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Question of the Day

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Feb 08, 2012 | Browse Questions | Try a Random Question

A spring with a 1kg mass attached to it oscillates with an amplitude of 15 cm. The frictionless surface on which it oscillates is replaced with a surface with a μk of 0.25. If the spring oscillates through 20 periods before coming to a halt, what was the original energy of the system?

A

 7.5 J

B

 15 J

C

 30 J

D

 The answer cannot be determined with the given information

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